♻️ refactor(frontend-sync): 优化桌面交互细节并移除 main 回灌 dev 自动化

- 优化新建连接、主题设置、侧边栏工具区与 SQL 日志的界面表现
- 调整分页、筛选、透明模式与弹窗样式，统一整体交互层次
- 收口外观参数生效逻辑并补齐多组件适配
- 删除 sync-main-to-dev 工作流并同步维护者手动回灌说明

.github/workflows/sync-main-to-dev.yml

@@ -1,180 +0,0 @@
-name: main 回灌 dev
-
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-permissions:
-  contents: write
-  pull-requests: write
-
-concurrency:
-  group: sync-main-to-dev
-  cancel-in-progress: true
-
-jobs:
-  sync-main-to-dev:
-    name: 执行回灌同步
-    runs-on: ubuntu-latest
-    steps:
-      - name: 检出代码
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: 检查是否需要同步
-        id: diff_check
-        shell: bash
-        run: |
-          set -euo pipefail
-          echo "开始检查 main 与 dev 的分支差异..."
-          git fetch origin main dev
-          ahead_count="$(git rev-list --count origin/dev..origin/main)"
-          echo "ahead_count=${ahead_count}" >> "$GITHUB_OUTPUT"
-          if [ "${ahead_count}" -eq 0 ]; then
-            echo "无需同步，dev 已包含 main 的最新提交。"
-            echo "has_changes=false" >> "$GITHUB_OUTPUT"
-          else
-            echo "检测到 ${ahead_count} 个待同步提交，准备创建或复用同步 PR。"
-            echo "has_changes=true" >> "$GITHUB_OUTPUT"
-          fi
-
-      - name: 创建或复用同步 PR
-        id: sync_pr
-        if: steps.diff_check.outputs.has_changes == 'true'
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          echo "permission_blocked=false" >> "$GITHUB_OUTPUT"
-          existing_number="$(gh pr list --base dev --head main --state open --json number --jq '.[0].number // empty')"
-
-          if [ -n "${existing_number}" ]; then
-            pr_number="${existing_number}"
-            pr_url="$(gh pr view "${pr_number}" --json url --jq '.url')"
-            echo "复用已有同步 PR：#${pr_number}"
-            echo "created=false" >> "$GITHUB_OUTPUT"
-          else
-            body_file="$(mktemp)"
-            error_file="$(mktemp)"
-            {
-              echo "## 自动回灌：\`main -> dev\`"
-              echo
-              echo "- 触发条件：\`main\` 分支出现新提交（含贡献者直接合并到 \`main\` 的 PR）"
-              echo "- 目标：让 \`dev\` 持续吸收 \`main\` 的更新，避免发布前集中冲突"
-              echo
-              echo "### 合并建议"
-              echo "- 无冲突：直接合并该 PR（建议 \`Merge commit\`）"
-              echo "- 有冲突：在该 PR 内解决冲突后再合并"
-            } > "${body_file}"
-
-            if pr_url="$(gh pr create \
-              --base dev \
-              --head main \
-              --title "🔁 chore(sync): 回灌 main 到 dev" \
-              --body-file "${body_file}" 2>"${error_file}")"; then
-              pr_number="${pr_url##*/}"
-              echo "已创建同步 PR：#${pr_number}"
-              echo "created=true" >> "$GITHUB_OUTPUT"
-            else
-              error_message="$(tr '\n' ' ' < "${error_file}")"
-              if printf '%s' "${error_message}" | grep -Fq "GitHub Actions is not permitted to create or approve pull requests"; then
-                echo "::warning::仓库未开启“Allow GitHub Actions to create and approve pull requests”，已跳过自动创建同步 PR。"
-                echo "permission_blocked=true" >> "$GITHUB_OUTPUT"
-                echo "created=false" >> "$GITHUB_OUTPUT"
-                echo "pr_number=" >> "$GITHUB_OUTPUT"
-                echo "pr_url=" >> "$GITHUB_OUTPUT"
-                exit 0
-              fi
-              echo "::error::创建同步 PR 失败：${error_message}"
-              exit 1
-            fi
-          fi
-
-          echo "pr_number=${pr_number}" >> "$GITHUB_OUTPUT"
-          echo "pr_url=${pr_url}" >> "$GITHUB_OUTPUT"
-
-      - name: 检查合并状态
-        id: merge_state
-        if: steps.diff_check.outputs.has_changes == 'true' && steps.sync_pr.outputs.permission_blocked != 'true'
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          pr_number="${{ steps.sync_pr.outputs.pr_number }}"
-          mergeable="UNKNOWN"
-          merge_state_status="UNKNOWN"
-
-          for attempt in 1 2 3 4 5 6; do
-            mergeable="$(gh pr view "${pr_number}" --json mergeable --jq '.mergeable')"
-            merge_state_status="$(gh pr view "${pr_number}" --json mergeStateStatus --jq '.mergeStateStatus')"
-            echo "第 ${attempt} 次检查 PR #${pr_number} 合并状态：mergeable=${mergeable}, mergeStateStatus=${merge_state_status}"
-            if [ "${mergeable}" != "UNKNOWN" ]; then
-              break
-            fi
-            if [ "${attempt}" -lt 6 ]; then
-              echo "GitHub 仍在计算可合并状态，3 秒后重试..."
-              sleep 3
-            fi
-          done
-
-          if [ "${mergeable}" = "UNKNOWN" ]; then
-            echo "::warning::PR 合并状态仍在计算中，本次未开启自动合并，可稍后重跑 workflow 或手动开启。"
-            echo "merge_state_pending=true" >> "$GITHUB_OUTPUT"
-          else
-            echo "merge_state_pending=false" >> "$GITHUB_OUTPUT"
-          fi
-          echo "mergeable=${mergeable}" >> "$GITHUB_OUTPUT"
-          echo "merge_state_status=${merge_state_status}" >> "$GITHUB_OUTPUT"
-
-      - name: 可合并时开启自动合并
-        id: auto_merge
-        if: steps.diff_check.outputs.has_changes == 'true' && steps.sync_pr.outputs.permission_blocked != 'true' && steps.merge_state.outputs.mergeable == 'MERGEABLE'
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        shell: bash
-        run: |
-          set -euo pipefail
-          pr_number="${{ steps.sync_pr.outputs.pr_number }}"
-          if gh pr merge "${pr_number}" --merge --auto; then
-            echo "已为 PR #${pr_number} 开启自动合并。"
-            echo "result=enabled" >> "$GITHUB_OUTPUT"
-          else
-            echo "::warning::自动合并开启失败，请手动处理并合并该 PR。"
-            echo "result=failed" >> "$GITHUB_OUTPUT"
-          fi
-
-      - name: 写入执行摘要
-        if: always()
-        shell: bash
-        run: |
-          {
-            echo "## main 回灌 dev 执行结果"
-            if [ "${{ steps.diff_check.outputs.has_changes }}" != "true" ]; then
-              echo "- 状态：无需同步（dev 已包含 main 最新提交）"
-              exit 0
-            fi
-            if [ "${{ steps.sync_pr.outputs.permission_blocked }}" = "true" ]; then
-              echo "- 状态：已跳过自动创建同步 PR"
-              echo "- 原因：仓库未开启 GitHub Actions 创建与审批 Pull Request 权限"
-              echo "- 处理：前往 Settings -> Actions -> General -> Workflow permissions，开启 Allow GitHub Actions to create and approve pull requests"
-              echo "- 兜底：由维护者手动执行 main 到 dev 合并，或开启该设置后重新运行 workflow"
-              exit 0
-            fi
-            echo "- PR：${{ steps.sync_pr.outputs.pr_url }}"
-            echo "- 可合并状态：${{ steps.merge_state.outputs.mergeable }}"
-            echo "- 合并状态详情：${{ steps.merge_state.outputs.merge_state_status }}"
-            if [ "${{ steps.merge_state.outputs.mergeable }}" = "CONFLICTING" ]; then
-              echo "- 结论：检测到冲突，需要手动处理后合并"
-            elif [ "${{ steps.merge_state.outputs.merge_state_pending }}" = "true" ]; then
-              echo "- 结论：GitHub 仍在计算合并状态，本次未开启自动合并；可稍后重跑 workflow 或手动开启 auto-merge"
-            elif [ "${{ steps.auto_merge.outputs.result }}" = "enabled" ]; then
-              echo "- 结论：已启用自动合并（满足保护规则后将自动入 dev）"
-            else
-              echo "- 结论：PR 已创建/复用，请按分支策略人工合并"
-            fi
-          } >> "$GITHUB_STEP_SUMMARY"